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Long-Term Debt And Notes Payable (Capitalization Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Debt Disclosure [Abstract]
Short-term borrowings	$ 100,806us-gaap_ShortTermBorrowings	$ 125,826us-gaap_ShortTermBorrowings
Long-term debt	749,213us-gaap_LongTermDebtNoncurrent	749,170us-gaap_LongTermDebtNoncurrent
Total indebtedness	850,019
Total shareholders' equity	1,059,752us-gaap_StockholdersEquity	1,204,319us-gaap_StockholdersEquity
Capitalization	$ 1,909,771
Total indebtedness to capitalization	0.45

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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